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Finding the Fourth Proportional to 11,807.48, 16,294.80 and 6,502.80

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Solution

The fourth proportional to 11,807.48, 16,294.80 and 6,502.80 is: 8,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.48 : 16,294.80 = 6,502.80 : x
  2. Step 2: Convert to fraction form
    11,807.48/16,294.80 = 6,502.80/x
  3. Step 3: Cross multiply
    11,807.48x = 16,294.80 × 6,502.80
  4. Step 4: Simplify right side
    11,807.48x = 105,961,825.44
  5. Step 5: Solve for x
    x = 105,961,825.44/11,807.48
  6. Step 6: Final answer
    x = 8,974.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.